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engine noise questions: on cold startup, after letting car sit a night, i start my car up

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Old 11-17-2003, 12:24 PM
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Default engine noise questions: on cold startup, after letting car sit a night, i start my car up

and hear a pssss pssss pssss pssss psss sound, thats rhytmic. it gets faster as the engine speeds go up. it sounds sort of like a scraping or something...im not sure. but it does sounds like pss pssss psss like someone is trying to whsiper to you, like that sound. something going wrong? it goes away after it getting warm.
Old 11-17-2003, 12:36 PM
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Secondary air injection doing it's thing?
Old 11-17-2003, 12:39 PM
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i always thought that was a ticking sound. anything i can check?
Old 11-17-2003, 12:48 PM
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Default Maybe pop the hood and listen for it with a stethoscope on the pump when it is happening.

Try to pin point teh source to see if you can get an idea from whence it emminates.
Old 11-17-2003, 12:54 PM
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its coming from the front of the engine bay...but ill try your method.
Old 11-17-2003, 12:58 PM
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that is where the pump is .. behind the passenger's side lower grill.
Old 11-17-2003, 02:18 PM
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thanks yipps...ill check it out next time i start up
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